Which of the following is a characteristic of sodium ion?

A) It is a cation.
B) It is present primarily in the intracellular fluid.
C) It shifts out of the blood by active transport.
D) Diuretic drugs lead to high blood levels.


Answer: A) It is a cation.

Biology & Microbiology

You might also like to view...

Yops proteins, produced by Yersinia pestis,

A. interfere with phagocytosis. B. activates plasminogen activator. C. destroys C3b and C5a. D. promotes apoptosis.

Biology & Microbiology

Which major type of muscle in humans has a primary function in movement?

A) smooth B) cardiac C) skeletal D) endothelial

Biology & Microbiology

The greatest number of endemic species is expected in environments that are _____

A) easily reached and ecologically diverse B) isolated and show little ecological diversity C) isolated and ecologically diverse D) easily reached and show little ecological diversity

Biology & Microbiology

Creutzfeldt-Jakob, Huntington, Alzheimer, and Parkinson disease are all characterized with which part of protein synthesis?

A) N-terminal modification B) protein folding C) elongation D) initiation E) termination

Biology & Microbiology